<span> t^2+4tv+4v^2
= (t + 2v)(t + 2v)
= (t + 2v)^2</span>
Answer:
9x
Step-by-step explanation:
let's say that x is the number we don't know
the product means multiplication
9*x=9x
so the answer is 9x
Answer: 4 Shirts and 2 Pants
15+15+15+15+20+20
or
15*4+20*2
I got 81 members. 4 x 20 = 80 81-80=1
6 x 13= 78 81-78= 3
7 x 11= 77 81-77= 4
